A vehicle tailgate can be being pivotally attached to a cargo area of the vehicle with a gap being defined between an edge of the tailgate and an end of the floor of the cargo area. Embodiments disclosed herein relate to a tailgate gap cover that can protect the gap between a tailgate and a vehicle cargo floor. In one embodiment, the disclosed cover includes a cover member having a first edge pivotally attached to the tailgate such that a second edge opposite the first edge rests on cargo area floor beyond the gap when the tailgate is in a raised position or a lowered position.